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Chemistry is the study of the constitution of matter and its interactions; it has numerous applications, including biochemistry, electrochemistry and nuclear chemistry.
Symbols that simplify the writing of the elements, formulas and chemical reactions.
These materials are highly varied: measurement instruments, various containers, heat sources, experimentation materials and mounting hardware.
Any substance that has mass, is composed of atoms and occupies space.
There are more than 110 chemical elements, most of which are naturally present in the universe. The others are created artificially in the laboratory.